Tele Vue Canon 2.4" Wide T-Adapter (CWT-2070) T-Adapter Highly reflective coatings on both

Highly reflective coatings on both the primary and secondary mirror enhance the views even more

Provides the ultimate comfort and exclusion of stray light necessary for binoviewing with eyeglasses

To insert your phone

And even though this adjustment is ultra-precise

Tele Vue Canon 2.4" Wide T-Adapter (CWT-2070) T-Adapter Highly reflective coatings on bothCanon EOS cameras are popular with astro imaging enthusiasts. But, the typical T ring telescope setup does not take advantage of the wide aperture of the Canon bayonet mount: significant vignetting is caused by the constriction of the T ring opening. Canon Wide T Adapter with Bayonet for 2. 4" connects to your EOS in place of the T ring and provides 25% greater aperture to minimize vignetting.